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Finding the Fourth Proportional to 35,449.68, 48,918.36 and 19,533.24

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Solution

The fourth proportional to 35,449.68, 48,918.36 and 19,533.24 is: 26,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.68 : 48,918.36 = 19,533.24 : x
  2. Step 2: Convert to fraction form
    35,449.68/48,918.36 = 19,533.24/x
  3. Step 3: Cross multiply
    35,449.68x = 48,918.36 × 19,533.24
  4. Step 4: Simplify right side
    35,449.68x = 955,534,066.29
  5. Step 5: Solve for x
    x = 955,534,066.29/35,449.68
  6. Step 6: Final answer
    x = 26,954.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.